L-tryptophan is an amino acid (building-block of proteins) that is found all around the world. Most people chose to buy their l-tryptophan from reputable online vendors who sell their own manufactured l-tryptophan. This makes the process much easier and is often cheaper than locating other sources of l-tryptophan supplements. Shipping is easy and effective, too.
In this article, we’ll explore where you can buy L-Tryptophan around the world – in the USA, Canada, and Australia. We’ll also look into the foods that contain high concentrations of l-tryptophan, as well as where you find l-tryptophan in your body.
You can buy l-tryptophan from the comfort of your homeWhich foods contain l-tryptophan?
L-tryptophan is found in high concentrations in a number of food sources. These include foods that are high in protein like meats, dark leafy green vegetables, nuts, and dairy. According to Self Nutrition, a great resource for nutritional data on foods, the top five food sources of l-tryptophan are:
- Sea lion kidney (Alaska)
- Elk (game meat) – cooked and roasted
- Raw spirulina (seaweed)
- Soy protein isolate
- Raw chopped spinach[1]
Where to buy L-Tryptophan in the USA
There are loads of options to buy l-tryptophan in America. The most common form of L-tryptophan that you’ll find is L-tryptophan in a protein shake mix. People looking to build muscle mass or increase their protein intake often take protein shakes that are high in L-tryptophan.[2]
If you’re looking for pure l-tryptophan, you may need to seek out your local alternative health store. You should be able to find l-tryptophan in most alternative health stores around the country.
Liftmode’s L-tryptophan, 98+% purityHowever, the best way to buy l-tryptophan is through a reputable online vendor. Buying l-tryptophan online is a great idea for a number of reasons:
- It’s easier – you can buy from the comfort of your home
- Delivery time is really fast
- You’ll find higher quality and higher purity tryptophan online
- It’s cheaper – health stores have to pay rent and mostly resell l-tryptophan that was bought wholesale. Many reputable online vendors manufacture their own high-quality l-tryptophan
Where to buy l-tryptophan in Australia and Canada
There are a number of online vendors selling l-tryptophan in both Australia and Canada. These are great sources of l-tryptophan. However, most of the vendors we looked at were reselling products from various different brands.
While this is not necessarily a big issue, it is sometimes nicer to find a good brand that you can trust to deliver the highest quality goods. Liftmode suppliers produce the highest quality and purity l-tryptophan – over 98% purity guaranteed! Sometimes it works out better to pay a slight premium for higher quality goods that are shipped directly from the supplier.
Where l-tryptophan is found in your body
Liftmode’s 5-HTP, another potent mood-booster,98+% pureL-tryptophan is an amino acid that is found in a number of foods. Amino acids are the building blocks of proteins. L-tryptophan is one of a few amino acids and amino acid derivatives that are physiologically active at higher doses.[3] For other great amino acids, check out 5-HTP, a molecule that is produced in your body from l-tryptophan, or L-theanine, a calming amino acid.
L-tryptophan has to cross the blood-brain barrier to deliver its mood-lifting effects in your brain. Before it can cross the blood-brain barrier, some l-tryptophan is converted into niacin in your liver.[4] Niacin is an important molecule. So, the places you’ll find the most l-tryptophan in your body are your liver and your central nervous system, as well as in the building blocks of proteins (in muscles, cells membranes, and tissues).[5]
Conclusion
In conclusion, l-tryptophan is a mood-lifting and sleep-enhancing dietary supplement that is found in a number of food sources. It is converted into serotonin both in your central nervous system and in your liver.
You can buy l-tryptophan from alternative health shops or directly from suppliers online. Many US-based online vendors ship overseas, for example to Canada or Australia, for very a reasonable price.
References:
[1] Foods highest in Tryptophan, Self Nutrition Data, retrieved on 20 October 2016
[2] Effect of dietary tryptophan on muscle, liver and whole-body protein synthesis in weaned piglets: relationship to plasma insulin, NO Cortamira et al., Br J Nutr. 1991 Nov;66(3):423-35.
[3] Tryptophan: What Does It Do?, Erik Strand, Psychology Today online, September 2003, reviewed July 2016, retrieved on 20 October 2016
[4] Niacin-Tryptophan Relationships in Man and Niacin Requirement, GA Goldsmith, MA, Am J Clin Nutr September 1958, vol. 6 no. 5 479-486
[5] L-Tryptophan: Basic Metabolic Functions, Behavioral Research and Therapeutic Indications, DM Richard et al., Int J Tryptophan Res. 2009; 2: 45–60, Published online 2009 Mar 23.
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